Quote:
Originally posted by michaelw
-3 < (1/x) <= 1
whats the interval for x
its so simple, i just dont know how to show my work
x>= 1, and x < 0
(>= is greater than or equal to)
|
-3 < (1/x) <= 1
(1/x) <= 1
x >= 1
-3 < (1/x)
-3x < 1
x < -(1/3)
?i dont remember if the < changes to > coz of the -